make test: also test that building the example works

[pohly]

The prow jobs don't check that examples/hostpath-provisioner is in a healthy state.

Either "make test" or "make build" should cover that. I'm leaning to "make test", but that's debatable.

[fejta-bot]

Issues go stale after 90d of inactivity.
Mark the issue as fresh with /remove-lifecycle stale.
Stale issues rot after an additional 30d of inactivity and eventually close.

If this issue is safe to close now please do so with /close.

Send feedback to sig-testing, kubernetes/test-infra and/or fejta.
/lifecycle stale

[pohly]

/remove-lifecycle stale

[fejta-bot]

Issues go stale after 90d of inactivity.
Mark the issue as fresh with /remove-lifecycle stale.
Stale issues rot after an additional 30d of inactivity and eventually close.

If this issue is safe to close now please do so with /close.

Send feedback to sig-testing, kubernetes/test-infra and/or fejta.
/lifecycle stale

[pohly]

/remove-lifecycle stale
/lifecycle frozen

[jsafrane]

/help

[k8s-ci-robot]

@jsafrane:
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